In the reaction : A overset(HBr)rarr B u...

In the reaction : `A overset(HBr)rarr B underset("alcohol")overset(KOH)rarr C underset(Zn, H_(2)O)overset(O_(3))rarr HCHO + CH_(3) CHO` the compound A is :

Ethylene

Acetic acid

Propene

Ethyl alcohol

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The correct Answer is:

`underset((A))(CH_(3)CH = CH_(2)) overset(HBr)rarr CH_(3)underset(Br)underset(|)(CH) - CH_(3) overset(alc.KOH)rarr CH_(3)CH = CH_(2) underset(Zn, H_(2)O)overset(O_(3))rarr CH_(3)CHO + CO_(2)`

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